# NTSB investigations: Rotax 912UL series, CA

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR24LA189](https://openairdocs.org/ntsb/WPR24LA189.md): Pipistrel Italia S R L Alpha Trainer · Paso Robles, CA · Accident · No injuries · Class 4 · Limited · Final report · Jun 8, 2024 · N208ZM · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack that resulted in an aerodynamic stall and subsequent loss of control on final approach. Contributing to the accident was the pilot’s decision to land with a tailwind.
- [NTSB WPR23FA110](https://openairdocs.org/ntsb/WPR23FA110.md): Willman Loren LOREN'S Aircam · Grass Valley, CA · Accident · 2 fatal · Class 3 · Field · Final report · Feb 19, 2023 · N420PF · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall/spin at an altitude too low for recovery.
- [NTSB WPR20CA064](https://openairdocs.org/ntsb/WPR20CA064.md): Airborne XT912 · Hawthorne, CA · Accident · Minor injuries · Data collection · Final report · Jan 13, 2020 · N805M · Substantial damage
  > The student pilot's failure to arrest the airplane’s descent rate, which resulted in a hard landing.
- [NTSB WPR17FA033](https://openairdocs.org/ntsb/WPR17FA033.md): Airborne Windsports PTY Edge XT-912-L · Santa Barbara, CA · Accident · 1 fatal · Field investigation · Final report · Dec 6, 2016 · N188M · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering in the traffic pattern.
- [NTSB WPR13LA385](https://openairdocs.org/ntsb/WPR13LA385.md): Robert Golding Tbirdii · Bakersfield, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 24, 2013 · N31683 · Substantial damage
  > The failure of the two pilots to adequately planflight, particularly regarding their roles and responsibilities, which resulted in their failure to maintain sufficient altitude to clear power lines during a low pass.
- [NTSB WPR13LA347](https://openairdocs.org/ntsb/WPR13LA347.md): Airborne Windsports PTY Edge XT-912-L · Red Bluff, CA · Accident · 1 fatal · Limited investigation · Final report · Jul 29, 2013 · N123FJ · Destroyed
  > The pilot's failure to properly secure himself in the cockpit with the seat belt, which resulted in his inability to control the airplane after takeoff.
- [NTSB WPR12LA417](https://openairdocs.org/ntsb/WPR12LA417.md): Seymour Skyranger · Perris, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 13, 2012 · N936LS · Substantial damage
  > A loss of aircraft control during cruise flight for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR11LA039](https://openairdocs.org/ntsb/WPR11LA039.md): Lansdorf Qualt · Sonoma, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 6, 2010 · N3215S · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR09LA413](https://openairdocs.org/ntsb/WPR09LA413.md): Antares US MA-34R · San Jose, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 24, 2009 · N2356W · Substantial damage
  > The pilot's failure to maintain aircraft control during engine startup, which resulted in a collision with parked aircraft. Contributing to the accident was the engine's inadvertent increase to high power for undetermined reasons.
- [NTSB LAX07CA228](https://openairdocs.org/ntsb/LAX07CA228.md): Dta Sari Combo FC 912 · San Luis Obispo, CA · Accident · No injuries · Data collection · Final report · Jul 18, 2007 · N599CA · Substantial damage
  > The student pilot's improper flare, which resulted in a hard landing. Also causal was the instructor's inadequate supervision.
- [NTSB LAX07LA218](https://openairdocs.org/ntsb/LAX07LA218.md): Clement Zenith Zodiac CH601 · Rosamond, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 14, 2007 · N239PC · Substantial damage
  > A total loss of engine power during approach due to the improper idle screw/stop adjustment. A factor contributing to the accident was deteriorated fuel.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('55571'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=55571&state=CA

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.